From the attachment, mariadb log shows:
2023-08-24 3:05:03 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-24 3:05:05 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-24 3:05:05 0 [Note] WSREP: Member 0.0 (node-2) synced with group.
2023-08-24 3:05:06 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-24 3:05:07 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-24 3:05:07 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-24 3:05:09 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-24 3:05:09 0 [Note] WSREP: Member 0.0 (node-2) synced with group.
2023-08-25 3:05:05 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-25 3:05:06 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-25 3:05:06 0 [Note] WSREP: Member 0.0 (node-2) synced with group.
2023-08-25 3:05:07 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-25 3:05:08 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-25 3:05:08 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-25 3:05:09 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-25 3:05:09 0 [Note] WSREP: Member 0.0 (node-2) synced with group.
...
2023-08-30 3:05:05 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-30 3:05:07 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-30 3:05:07 0 [Note] WSREP: Member 0.0 (node-2) synced with group.
2023-08-30 3:05:08 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-30 3:05:09 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-30 3:05:09 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-30 3:05:11 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-30 3:05:11 0 [Note] WSREP: Member 0.0 (node-2) synced with group.
Sorry for late reply.
kolla-ansible version: stable/yoga
MariaDB version: MariaDB 10.6.10-1.el8
From the attachment, mariadb log shows:
2023-08-24 3:05:03 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-24 3:05:05 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-24 3:05:05 0 [Note] WSREP: Member 0.0 (node-2) synced with group.
2023-08-24 3:05:06 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-24 3:05:07 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-24 3:05:07 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-24 3:05:09 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-24 3:05:09 0 [Note] WSREP: Member 0.0 (node-2) synced with group.
2023-08-25 3:05:05 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-25 3:05:06 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-25 3:05:06 0 [Note] WSREP: Member 0.0 (node-2) synced with group.
2023-08-25 3:05:07 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-25 3:05:08 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-25 3:05:08 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-25 3:05:09 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-25 3:05:09 0 [Note] WSREP: Member 0.0 (node-2) synced with group.
...
2023-08-30 3:05:05 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-30 3:05:07 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-30 3:05:07 0 [Note] WSREP: Member 0.0 (node-2) synced with group.
2023-08-30 3:05:08 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-30 3:05:09 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-30 3:05:09 0 [Note] WSREP: Member 0.0 (node-2) desyncs itself from group
2023-08-30 3:05:11 0 [Note] WSREP: Member 0.0 (node-2) resyncs itself to group.
2023-08-30 3:05:11 0 [Note] WSREP: Member 0.0 (node-2) synced with group.